SIMATIC S7-300 SM338 SSI position encoder input / 6ES7338-4BC01-0AB0

6ES7338-4BC01-0AB0: S7-300 signal module reviewed in its own section of the May 2022 manufacturer equipment manual. Verify signal type, hardware/firmware, wiring and host compatibility before ordering. This historical evidence does not establish current lifecycle, stock or Iran demand.

Manufacturer part number: 6ES7338-4BC01-0AB0
Brand: Siemens
Category: PLC and HMI
Catalog status: Request a quotation

Technical specifications

Controller family: SIMATIC S7-300
Encoder inputs: 3 SSI absolute value encoder inputs
Digital inputs: 2 inputs to freeze encoder values
Supply voltage: 24 VDC
SSI frame lengths: 13,21 or25 bits
Data formats: Gray code or binary code
Isochronous mode: Yes; cyclic or isochronous value acquisition selectable
Electrical isolation: Not isolated from CPU
Fast mode: Available from module firmware V2.0.0; selectable from STEP7 V5.3+SP2
Module features: Direct reaction to encoder values in motion systems; not a motion output controller
Reviewed document edition: 05/2022 / A5E00105505-AK
Document pages: PDF 414
Current lifecycle status: Not established by historical manual; confirm current lifecycle and supply separately
Module notes: Exact standard ordering suffix only; verify hardware/firmware, host compatibility, measuring range, wiring and installation before ordering

Manufacturer manual · S7-300 Module data / 05/2022 / A5E00105505-AK · en · PDF · 05/2022 / A5E00105505-AKManufacturer source: Siemens · Model explicitly covered in family document · Covered models: 6ES7338-4BC01-0AB0 · Checked: 2026-10-22Official manufacturer source

This sheet provides a quick technical summary. For design, installation and final selection, review the latest official manufacturer documentation and verify the complete part number.